Home / 7,385.67-10,192.35-4,028.49

Finding the Fourth Proportional to 7,385.67, 10,192.35 and 4,028.49

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Solution

The fourth proportional to 7,385.67, 10,192.35 and 4,028.49 is: 5,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.67 : 10,192.35 = 4,028.49 : x
  2. Step 2: Convert to fraction form
    7,385.67/10,192.35 = 4,028.49/x
  3. Step 3: Cross multiply
    7,385.67x = 10,192.35 × 4,028.49
  4. Step 4: Simplify right side
    7,385.67x = 41,059,736.60
  5. Step 5: Solve for x
    x = 41,059,736.60/7,385.67
  6. Step 6: Final answer
    x = 5,559.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.